27072690 has 32 divisors (see below), whose sum is σ = 65949120. Its totient is φ = 7111104.

The previous prime is 27072659. The next prime is 27072697. The reversal of 27072690 is 9627072.

It is a super-2 number, since 2×27072690² = 1465861087672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27072697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4725 + ... + 8744.

It is an arithmetic number, because the mean of its divisors is an integer number (2060910).

Almost surely, 2^27072690 is an apocalyptic number.

27072690 is an abundant number, since it is smaller than the sum of its proper divisors (38876430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27072690 is a wasteful number, since it uses less digits than its factorization.

27072690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13546.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 27072690 is about 5203.1423197910. The cubic root of 27072690 is about 300.2689809809.

The spelling of 27072690 in words is "twenty-seven million, seventy-two thousand, six hundred ninety".